void SetCaptureTVTunerInputType(IltmmCapture *pCapture) { IltmmTVTuner* pTuner; // get the tuner object HRESULT hr = pCapture->get_TVTuner(&pTuner); if(SUCCEEDED(hr) && pTuner != NULL) { long lInputtype; // set and get the tuner input type pTuner->SetInputType(0, ltmmTunerInputCable); pTuner->GetInputType(0, &lInputtype); // release the tuner object pTuner->Release(); } }